52887591 has 6 divisors (see below), whose sum is σ = 76393200. Its totient is φ = 35258388.

The previous prime is 52887559. The next prime is 52887607. The reversal of 52887591 is 19578825.

It is a happy number.

52887591 is a `hidden beast` number, since 52 + 8 + 8 + 7 + 591 = 666.

It is not a de Polignac number, because 52887591 - 2⁵ = 52887559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52883591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2938191 + ... + 2938208.

It is an arithmetic number, because the mean of its divisors is an integer number (12732200).

Almost surely, 2^52887591 is an apocalyptic number.

52887591 is a deficient number, since it is larger than the sum of its proper divisors (23505609).

52887591 is a wasteful number, since it uses less digits than its factorization.

52887591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876405 (or 5876402 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 52887591 is about 7272.3855095835. The cubic root of 52887591 is about 375.3628275033.

The spelling of 52887591 in words is "fifty-two million, eight hundred eighty-seven thousand, five hundred ninety-one".